ICOSANDRIA.— MONOGYNIA. 19S 



elongated ; leaves ovate-oblong, acuminate, erosely 

 denticulate, smooth ; petioles with 2 glands ; 

 branches punctate ; fruit subovate. 

 HAB. Mountains. June. A small tree ; leav. memb. ; 

 corymb. 6 — &-JI. ; drupe red. 

 >. P. nigra: umbels sessile, solitary, few-flowered; 

 leaves deciduous, ovate, acuminate, unequally and 

 acutely serrate ; smooth on both sides ; petioles 

 with 2 glands. 

 HAB. Mountains. June. Shrub 6 — 8 ft. high; 

 branch, red; ped., smooth, short. 

 & 4 P. pygnum : umbels sessile, few-flowered ; leaves 

 ovate, acute, smooth on each side, acutely serrate, 

 with 2 glands at the base. 

 HAB. New-England, &c. Shrub 3—4 ft. high; 

 fruit small, black, indifferent. 

 7. P. pubescens : leaves sessile, aggregated, few-flow- 

 ered ; peduncles and calyx pubescent ; leaves short- 

 oval, serrulate ; drupe spherical. 

 HAB. Sandy shores and hill sides. May. Shrub 2— 

 3 ft. high ; fruit br. purp.,glauc. 

 3. P. pumila : umbels aggregated, sessile, few-flow- 

 ered ; calyx acute ; branches virgate, terete ; 

 leaves narrow-lanceolate, serrate above, pale be- 

 neath. 

 HAB. Banks of rivers. May. Shrub 2—3 ft. high : 

 leav. long ; fruit red, acid. 

 ». P. depressa : umbels sessile, aggregated, few-flow- 

 ered ; calyx obtuse ; branches angular, depressed- 

 prostrate ; leaves cuneate-lanceolate, remotely ser 

 rate, smooth, glaucous beneath. 

 HAB. Sandy shores. A shrub, low, spreading ; fr. 

 small, black, agreeable. 

 10. P. maritima : peduncles subsolitary ; leaves ovate 

 oblong, acuminate, doubly serrate. 

 HAB. Sea-coast. Fruit large, dark pnrp, 

 P. mollis: younger branches, leaves and peduncles 

 pubescent; umbels sessile, 2 — 3-llowered ; leaves 

 ovate, long-acuminate, doubly dentate-serrate : 

 Bttpolei setaceous, denticulate ; calyx nearly 

 smooth ; segments linear-lanceolate, serrate. 

 HAB. Woods. A small tree; leav. 2—3 in. 

 fr. oval, large, nearly black. 



